| A | B |
|---|
| Evidence of Evolution | fossils, comparative anatomy, comparative embryology, comparative biochemistry |
| Fossils | traces of once living found in sedimentary rock |
| Imprint | film of carbon remains |
| Absolute age of fossils | determined by radioactive isotopes |
| Half-life | time required for 1/2 of radioactive molecules to decay |
| Over time, organisms of ___ ___ appeared on earth | increasing complexity |
| Homologous Structures | derived from same structures of embryo but may have different functions |
| Vestigial Organs | organs that seem to serve no useful function |
| Comparative Embryology | certain stages for embryonic development are identical for certain species |
| Comparative Biochemistry | Cytochrome C-universal compoud found in all aerobic organisms |
| Common Ancestry | If species change over time, there should be examples of living species that may have come from a common ancestor |
| Jean Baptiste Lamarck | "Inheritance of acquired characteristics" |
| Charles Darwin | Theory of Evolution |
| Divergent Evolution | process of two or more related species becoming dissimilar |
| Natural Selection | Individuals with advantageous variation are more likely to survive and reproduce |
| Adaptive Radiation | many related species evolved from a single ancestor |
| Convergent Evolution | process of unrelated species becoming more similar as they adapt to the same environment |
| Analogous Structure | structures with same functions but do not arise from same place in the embryo |
| Coevolution | the joint change in two species in close interactions |
| Artificial Selection | mates are selected |
